3 Here καί (kai) has been translated as “then” to indicate the implied sequence of events within the narrative.
4 Mark does not explicitly identify the young man dressed in a white robe as an angel (though the white robe suggests this), but Matthew does (Matt 28:2).

In other versions

And entering the tomb, they saw a young man sitting on the right side, dressed in a white robe, and they were alarmed.

As they entered the tomb, they saw a young man dressed in a white robe sitting on the right side, and they were alarmed.

When they entered the tomb, they saw a young man dressed in a white robe sitting on the right side; they were alarmed.

When they entered the tomb, they saw a young man clothed in a white robe sitting on the right side. The women were shocked,

And as they were going into the tomb, they saw a young man dressed in a white robe sitting on the right side, and they were alarmed.

And entering into the sepulchre, they saw a young man sitting on the right side, clothed in a long white garment; and they were affrighted.

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